A beautiful and timeless story about the uncertainty and destruction caused by war. Tilly is a young nurse doing her best to help in the war effort. When she hears her brother Georgie must go to the front line in France she is devastated. Georgie isn't like other people - he has learning difficulties and doesn't understand what the war means. Tilly asks her sweetheart Harry to keep Georgie safe. But they soon learn that the nature of war makes any promise hard to keep.